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The Test Set by Posit

Posit, PBC
Data Science
Python
Open Source
Apache Arrow
Pandas
Narwhals
Positron
POSIT
Artificial Intelligence
Polars
Tidyverse
Environmental Health
Statistical Analysis
Ibis
Duckdb
Education
Cycling
Machine Learning
Solutions Engineering
Teaching

A Posit podcast for data science junkies, anomaly hunters, and those who play outside the confidence interval. Hosted by Michael Chow, with co-hosts Wes McKinney & Hadley Wickham.

PublishesTwice monthlyEpisodes17Founded9 months ago
Number of ListenersCategory
Technology

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Artwork for The Test Set by Posit

Latest Episodes

Phillip Cloud has been shaping the Python data ecosystem since the early pandas days — and he has *opinions*. Now a principal engineer at NVIDIA leading the Ibis project, Phillip talks about how he stumbled into open source via an eye movement lab, w... more

YouTube

Charlie Marsh built Ruff, uv, and Ty — the tools that mass-fixed Python's worst pain points. Now he's grappling with what happens when agents start writing most of the code. In this episode, Charlie gets real about his team trusting his PRs less, the... more

YouTube

Alenka Frim went from teaching yoga full-time to becoming a committer and PMC Member on Apache Arrow. In this episode, Alenka joins The Test Set hosts to talk about how Arrow grew from spec to critical infrastructure, and why she started contributing... more

YouTube

Emily Riederer writes Python with an R accent, and we’re all comfortable with it. In this episode, Emily reflects on her journey through R, Python, and SQL — from lessons learned in averaging default values (oops, we're not all rich!) to discovering ... more

YouTube

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Recent Guests

Philip Cloud
Principal software engineer at Nvidia; lead on the Ibis project; early Pandas contributor
Nvidia
Episode: Sleeping Rats and Sociopathic Agents — with Phillip Cloud
Charlie Marsh
Founder and CEO of Astral, developer of tools for Python
Astral
Episode: More productive but a lot less fun — with Charlie Marsh
Alenka Frim
Data engineer, software developer, and Iyengar yoga teacher
Apache Arrow
Episode: Alenka Frim: What yoga teaches us about discipline and collaboration in data science
Rebecca Barter
Senior Data Scientist at Arine and Adjunct Assistant Professor at the University of Utah
Arine
Episode: Rebecca Barter: Persistent learning, tool building, and ‘Will code even exist?’
Marco Gorelli
Software engineer at Quantite Labs and creator of Narwhals
Quantite Labs
Episode: Marco Gorelli: Narwhals, ecosystem glue, and the value of boring work
Kelly Bodwin
Assistant Professor of Statistics and Data Science at Cal Poly
Cal Poly
Episode: Kelly Bodwin — Quarto hacks, AI in the classroom, and why R should stay weird
James Blair
Senior product manager at Posit, cycling enthusiast
Posit
Episode: James Blair: Part 1 — Portfolios, practice, and staying curious
Julia Silge
Data science leader and engineering manager at Posit
Posit
Episode: Julia Silge: Part 1 — Positron, pineapple pizza, and the art of iteration
Mine Çetinkaya-Rundel
Professor of the practice of statistical science at Duke University and developer educator at Posit
Duke University, Posit
Episode: Mine Çetinkaya-Rundel: Teaching in the AI era — and keeping students engaged

Hosts

Michael Chow
Principal Software Engineer at Posit. Experienced in the development of open-source tools and passionate about enhancing data analysis workflows.
Wes McKinney
Co-host and Principal Architect at Posit, known for his pivotal role in developing the Pandas library and other open-source projects.
Hadley Wickham
Co-host and chief scientist at Posit, recognized for his contributions to data science education and development of various R packages.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#170
Chile/Technology
Apple Podcasts
#178
India/Technology

Talking Points

Recent interactions between the hosts and their guests.

Sleeping Rats and Sociopathic Agents — with Phillip Cloud
Q: What are your thoughts on the most exciting development for developers today, especially regarding AI and productivity?
He reflects that AI is intriguing but not the sole driver; the key is developer productivity and the way AI changes how we measure and improve it, along with how tools like VS Code and modern CLIs have reshaped workflows.
Sleeping Rats and Sociopathic Agents — with Phillip Cloud
Q: Catch us up on your path into open source tools like Ibis and your broader background.
Philip describes a long arc from Matlab/ LabVIEW experiences in mixed-discipline labs to Python-based data tooling, and eventually contributing to Pandas and driving Ibis; his focus has always been practical data analysis workflows and expanding the reach of open-source projects.
More productive but a lot less fun — with Charlie Marsh
Q: What excites you for the future?
Charlie is optimistic about the changes in software development and standards around package management.
More productive but a lot less fun — with Charlie Marsh
Q: What is UV?
UV is an all-in-one Python packaging binary that installs Python, manages installations, creates virtual environments, and resolves dependencies.
More productive but a lot less fun — with Charlie Marsh
Q: How did you get into the field?
Charlie taught himself to program the summer before college, studied computer science at Princeton, and started working as a software engineer at Khan Academy.

Audience Metrics

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Frequently Asked Questions About The Test Set by Posit

What is The Test Set by Posit about and what kind of topics does it cover?

This podcast focuses on various aspects of data science, programming, and the evolving landscape of technology. Topics often include discussions about open-source tools, the practical challenges faced by data professionals, and insights from features like machine learning, AI applications, and statistical methods. The conversations are typically enriched by guest interviews with experts from academia and industry, sharing their unique perspectives on data tools, teaching methodologies, and community engagement within the data science ecosystem. This makes for a resourceful and informative experience for listeners keen on learning about the cutting-edge developments in the field and the importance of collaborative efforts in data science.

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1. R Weekly Highlights
2. The Ezra Klein Show
3. Odd Lots
4. The Political Scene | The New Yorker
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The Test Set by Posit launched 9 months ago and published 17 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on The Test Set by Posit?

Recent guests on The Test Set by Posit include:

1. Philip Cloud
2. Charlie Marsh
3. Alenka Frim
4. Rebecca Barter
5. Marco Gorelli
6. Kelly Bodwin
7. James Blair
8. Julia Silge

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